IM
IronMonkey Threat Research

CVE-2019-8270 HIGH

Published: 2019-03-08 | Last Modified: 2026-06-17 | Status: Modified

Description

UltraVNC revision 1210 has out-of-bounds read vulnerability in VNC client code inside Ultra decoder, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1211.

Additional Descriptions (1)

UltraVNC, en su revisión 1210, tiene una vulnerabilidad de lectura fuera de límites en el código VNC del cliente dentro de "Ultra decoder", lo cual conduce a una condición de denegación de servicio (DoS). Este ataque parece ser explotable mediante la conectividad de red. Esta vulnerabilidad se ha solucionado en la revisión 1211.

CVSS Metrics

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-125
[email protected] Primary
en CWE-125

Affected Products

Vendor Product Version Update Type
uvnc ultravnc * <built-in method update of dict object at 0x7e6110c9bc40> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*
Notification
Message here